江苏省盐城市阜宁县明达初级中学七年级英语下册 7B Unit 4 Finding your way

二次备课Topic Unit4 Finding your way Grammar(1)

Teaching aims Can master the usage of articles

Key and difficult points Some situations with no

articles

Teaching aids multi-media, a recorder

Teaching procedures

Step1 Reading before class

Read the whole Reading and the new words on P47

Step2 Checking

Ask some students to recite Reading.

Step3 Presentation

1、定冠词的基本用法：

① 表示上文提到过的人或事物。如：I have bought a book.

The book is very useful.

② 用于说话人与听话人心中都有数的人或事物。如：Close

th e window, please.

③ 用于表示世界上独一无二的事物前 the s un

④ 用于表示方位的名词之前。如：the east

⑤ 用于序数词或形容词的最高级之前。the first

⑥ 用于形容词之前，使其名词化。如：the sick.

⑦ 用于由普通名词构成的专有名词之前。如：the United

States, the United Nation.

⑧ 用于江河、海洋、海峡、山脉、群岛、建筑物等的名词

之前。如：the Changjiang River.

⑨ 用于复数姓氏之前，表示"夫妇"或"全家"。如：The

Smiths

⑩ 用于乐器的名词前。如：play the piano

⑾发明物。如：The compass was invented in China.

⑿年代名词前。如： in the 1970s.

⒀固定词组中。如：in the morning(afternoon,

evening), on the other hand , at the same time

2、不定冠词的基本用法：

① 泛指一个。如：There is a book on the table.

② 指人或事物的某一种类。如：He is a driver.

③ 指某一个人或事物，但不具体说明。如：My sister was

saved by a PLA man in the fire.

④ 用于某一些表示重量、长度、时间等单位前，表示"每一

"。如：We have meals three times a day.

⑤表数量，相当于one,但语意较弱。如：There is a pen and two books on the desk.

⑥固定搭配。如： in a hurry, in a word

3、不用冠词的情况：

① 表示总称的复数名词之前。如：Children love cartoons.（儿童喜欢卡通影片。）

② 不含普通名词的专有名词前。如：We are studying English.

③ 名词前有指示代词、物主代词、不定代词或名词所有格修饰时。如：I like this picture

④ 季节、月份、星期等名词前，一般不用冠词。⑤ 呼语前不用冠词。如：What shall I do, Mother?

⑥ 三餐饭前不用冠词have rice for lunch

⑦ 节假日前不用冠词。如： on Christmas Day.

⑧ 球类和棋类运动的名称前不用冠词。

⑨ 在一些成对出现的短语中不用冠词。如：arm in arm（手挽手）; hand in hand（手牵手）; side by side（肩对肩）; day and day（日日夜夜）; young and old（老老少少）; from door to door（挨门挨户）; from beginning to end（从头到尾）; from morning till night（从早到晚）等。

Step4 Exercises in class

用a, an或the填空(教参81页第3题)

Homework

1. Finish Exercise 4.

2. Preview Grammar(2).

Reflect ion after teaching